Shkola, Igor V (1979): Conntents of total organic carbon and bitumen in rocks adn sediments from Hole Nagursk-1 drilled in the Alexander Island, Franz Josef Land Archipelago [dataset]. All-Russian Research Institute for Geology and Mineral Resources of the World Ocean, St. Petersburg, PANGAEA, https://doi.org/10.1594/PANGAEA.628521, In: Shkola, Igor V; Sergeev, Dmitry V (1979): Processing results from the parametric drill hole Nagursk-1 on the Alexandra Land Island, Franz Josef Land Archipelago (Report 5280, Leningrad) [dataset publication series]. All-Russian Research Institute for Geology and Mineral Resources of the World Ocean, St. Petersburg, PANGAEA, https://doi.org/10.1594/PANGAEA.690352
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Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Latitude: 80.778800 * Longitude: 47.708300
Date/Time Start: 1977-01-01T00:00:00 * Date/Time End: 1977-08-30T00:00:00
Minimum DEPTH, sediment/rock: 259.30 m * Maximum DEPTH, sediment/rock: 3144.60 m
Event(s):
Nagursk-1 * Latitude: 80.778800 * Longitude: 47.708300 * Date/Time Start: 1977-01-01T00:00:00 * Date/Time End: 1977-08-30T00:00:00 * Elevation: 17.8 m * Penetration: 3453 m * Recovery: 3453 m * Location: Alexandra Land Island, Franz Josef Land * Campaign: VNIIO-1979 * Method/Device: Drilling/drill rig (DRILL)
Comment:
Types of rocks and their ages are given in the special data set; see: doi:10.1594/PANGAEA.628520
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | Depth, top/min | Depth top | m | Shkola, Igor V | ||
| 3 | Depth, bottom/max | Depth bot | m | Shkola, Igor V | ||
| 4 | Rock type | Rock | Shkola, Igor V | |||
| 5 | Epoch | Epoch | Shkola, Igor V | |||
| 6 | Insoluble residue | Insol res | % | Shkola, Igor V | in HCl, fractionated | |
| 7 | Carbon, organic, total | TOC | % | Shkola, Igor V | ||
| 8 | Bitumen | Bitum | % | Shkola, Igor V | soluble in chloroform | |
| 9 | Bitumen | Bitum | % | Shkola, Igor V | soluble in petroleum ether |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
1113 data points
Data
| 1 Depth sed [m] | 2 Depth top [m] | 3 Depth bot [m] | 4 Rock | 5 Epoch | 6 Insol res [%] (in HCl, fractionated) | 7 TOC [%] | 8 Bitum [%] (soluble in chloroform) | 9 Bitum [%] (soluble in petroleum ether) |
|---|---|---|---|---|---|---|---|---|
| 259.30 | 259.25 | 259.35 | basalt | 80.75 | 0.10 | 0.0104 | ||
| 260.00 | 259.95 | 260.05 | basalt | 83.20 | 0.02 | |||
| 261.20 | 261.15 | 261.25 | basalt | 80.20 | 0.09 | |||
| 261.30 | 261.25 | 261.35 | basalt | 79.60 | 0.70 | |||
| 262.60 | 262.55 | 262.65 | basalt | 79.40 | 0.02 | |||
| 264.00 | 263.95 | 264.05 | basalt | 75.20 | 0.11 | |||
| 266.80 | 266.75 | 266.85 | basalt | 79.75 | 0.04 | 0.0010 | ||
| 510.30 | 510.25 | 510.35 | silty clay | Middle Triassic | 84.26 | 0.83 | 0.0125 | |
| 510.50 | 510.45 | 510.55 | silty clay | Middle Triassic | 86.10 | 0.85 | 0.0760 | |
| 511.00 | 510.95 | 511.05 | silty clay | Middle Triassic | 82.90 | 0.94 | 0.0237 | |
| 512.00 | 511.95 | 512.05 | silty clay | Middle Triassic | 82.40 | 1.02 | ||
| 512.10 | 512.05 | 512.15 | silty clay | Middle Triassic | 80.78 | 0.77 | 0.0237 | |
| 513.00 | 512.95 | 513.05 | silty clay | Middle Triassic | 84.31 | 0.54 | 0.0450 | |
| 560.20 | 560.15 | 560.25 | clayey silt | Middle Triassic | 87.10 | 0.61 | 0.0470 | |
| 560.40 | 560.35 | 560.45 | clayey silt | Middle Triassic | 0.66 | |||
| 561.50 | 561.45 | 561.55 | clayey silt | Middle Triassic | 86.20 | 0.84 | 0.0220 | |
| 562.10 | 562.05 | 562.15 | clayey siltstone | Middle Triassic | 65.80 | 0.26 | 0.0550 | |
| 562.30 | 562.25 | 562.35 | clayey siltstone | Middle Triassic | 87.67 | 0.68 | 0.0350 | |
| 562.40 | 562.35 | 562.45 | clayey siltstone | Middle Triassic | 83.60 | 0.99 | ||
| 567.05 | 567.00 | 567.10 | clayey siltstone | Middle Triassic | 86.52 | 0.85 | 0.0400 | |
| 567.40 | 567.35 | 567.45 | clayey siltstone | Middle Triassic | 84.60 | 0.36 | 0.0300 | |
| 568.10 | 568.05 | 568.15 | clayey siltstone | Middle Triassic | 85.70 | 0.93 | 0.0300 | |
| 568.40 | 568.35 | 568.45 | clayey siltstone | Middle Triassic | 86.10 | 1.08 | 0.0300 | |
| 568.45 | 568.40 | 568.50 | clayey siltstone | Middle Triassic | 85.72 | 0.99 | 0.0400 | |
| 635.80 | 635.75 | 635.85 | siltstone | Middle Triassic | 85.80 | 1.08 | 0.0820 | |
| 636.45 | 636.40 | 636.50 | siltstone | Middle Triassic | 89.00 | 0.58 | 0.0225 | |
| 636.50 | 636.45 | 636.55 | clayey siltstone | Middle Triassic | 89.00 | 1.08 | 0.0150 | |
| 637.25 | 637.20 | 637.30 | siltstone | Middle Triassic | 84.23 | 0.79 | 0.0250 | |
| 637.50 | 637.45 | 637.55 | clayey siltstone | Middle Triassic | 87.10 | 0.75 | 0.0220 | |
| 638.00 | 637.95 | 638.05 | clayey siltstone | Middle Triassic | 86.90 | 1.06 | 0.0240 | |
| 638.30 | 638.25 | 638.35 | claystone | Middle Triassic | 87.90 | 0.74 | 0.0200 | 0.0002 |
| 641.60 | 641.55 | 641.65 | claystone | Middle Triassic | 0.64 | |||
| 642.00 | 641.95 | 642.05 | claystone | Middle Triassic | 84.40 | 0.95 | ||
| 642.30 | 642.25 | 642.35 | claystone | Middle Triassic | 60.05 | 0.37 | 0.0250 | |
| 645.25 | 645.20 | 645.30 | clayey siltstone | Middle Triassic | 79.82 | 0.80 | 0.0400 | |
| 646.50 | 646.45 | 646.55 | clayey siltstone | Middle Triassic | 86.60 | 1.22 | 0.0980 | |
| 646.80 | 646.75 | 646.85 | siltstone | Middle Triassic | 86.00 | 0.96 | ||
| 647.50 | 647.45 | 647.55 | siltstone | Middle Triassic | 82.40 | 1.07 | ||
| 710.50 | 710.45 | 710.55 | claystone | Middle Triassic | 84.60 | 1.02 | ||
| 712.60 | 712.55 | 712.65 | claystone | Middle Triassic | 82.60 | 1.12 | ||
| 713.00 | 712.95 | 713.05 | claystone | Middle Triassic | 83.32 | 1.16 | 0.0300 | 0.0004 |
| 714.20 | 714.15 | 714.25 | clayey siltstone | Middle Triassic | 82.20 | 1.32 | 0.0980 | |
| 715.30 | 715.25 | 715.35 | clayey siltstone | Middle Triassic | 83.00 | 1.27 | ||
| 716.30 | 716.25 | 716.35 | claystone | Middle Triassic | 0.99 | |||
| 717.55 | 717.50 | 717.60 | clayey siltstone | Middle Triassic | 85.20 | 1.14 | 0.0250 | |
| 718.15 | 718.10 | 718.20 | silty claystone | Middle Triassic | 85.38 | 0.94 | 0.0400 | 0.0003 |
| 719.00 | 718.95 | 719.05 | claystone | Middle Triassic | 85.90 | 1.12 | 0.0680 | |
| 791.35 | 791.30 | 791.40 | claystone | Middle Triassic | 84.20 | 1.07 | 0.0240 | |
| 798.17 | 798.12 | 798.22 | claystone | Middle Triassic | 84.73 | 0.88 | 0.0250 | 0.0030 |
| 798.80 | 798.75 | 798.85 | claystone | Middle Triassic | 84.35 | 0.91 | 0.0400 | 0.0030 |
| 799.30 | 799.25 | 799.35 | claystone | Middle Triassic | 72.80 | 0.92 | ||
| 800.60 | 800.55 | 800.65 | claystone | Middle Triassic | 84.47 | 1.06 | 0.0275 | 0.0003 |
| 800.70 | 800.65 | 800.75 | claystone | Middle Triassic | 84.60 | 1.02 | 0.0274 | |
| 801.10 | 801.05 | 801.15 | claystone | Middle Triassic | 85.60 | 1.22 | ||
| 801.70 | 801.65 | 801.75 | claystone | Middle Triassic | 0.87 | |||
| 860.50 | 860.45 | 860.55 | claystone | Middle Triassic | 43.20 | 0.93 | 0.0340 | |
| 860.80 | 860.75 | 860.85 | claystone | Middle Triassic | 83.93 | 0.93 | 0.0250 | 0.0006 |
| 862.10 | 862.05 | 862.15 | claystone | Middle Triassic | 82.82 | 0.77 | 0.0250 | 0.0003 |
| 862.30 | 862.25 | 862.35 | claystone | Middle Triassic | 0.77 | |||
| 863.35 | 863.30 | 863.40 | claystone | Middle Triassic | 87.67 | 1.02 | 0.0350 | 0.0006 |
| 864.00 | 863.95 | 864.05 | claystone | Middle Triassic | 0.91 | |||
| 864.50 | 864.45 | 864.55 | claystone | Middle Triassic | 84.90 | 0.96 | 0.0400 | 0.0009 |
| 865.00 | 864.95 | 865.05 | claystone | Middle Triassic | 83.60 | 1.09 | 0.0320 | |
| 866.50 | 866.45 | 866.55 | claystone | Middle Triassic | 87.47 | 0.95 | 0.0500 | 0.0006 |
| 867.00 | 866.95 | 867.05 | claystone | Middle Triassic | 82.90 | 0.96 | 0.0470 | |
| 868.70 | 868.65 | 868.75 | claystone | Middle Triassic | 1.26 | |||
| 869.00 | 868.95 | 869.05 | claystone | Middle Triassic | 0.85 | |||
| 869.50 | 869.45 | 869.55 | claystone | Middle Triassic | 86.00 | 1.26 | ||
| 874.00 | 873.95 | 874.05 | claystone | Middle Triassic | 82.27 | 0.91 | 0.0350 | 0.0006 |
| 935.50 | 935.45 | 935.55 | claystone | Middle Triassic | 86.60 | 1.18 | 0.0190 | |
| 935.80 | 935.75 | 935.85 | claystone | Middle Triassic | 84.15 | 0.88 | 0.0400 | 0.0012 |
| 936.90 | 936.85 | 936.95 | claystone | Middle Triassic | 84.33 | 0.88 | 0.0250 | 0.0006 |
| 939.85 | 939.80 | 939.90 | claystone | Middle Triassic | 85.98 | 0.89 | 0.0400 | 0.0012 |
| 940.00 | 939.95 | 940.05 | claystone | Middle Triassic | 84.00 | 1.06 | ||
| 941.40 | 941.35 | 941.45 | claystone | Middle Triassic | 82.00 | 1.21 | ||
| 941.75 | 941.70 | 941.80 | claystone | Middle Triassic | 0.91 | |||
| 941.78 | 941.73 | 941.83 | claystone | Middle Triassic | 85.02 | 0.92 | 0.0400 | 0.0012 |
| 942.70 | 942.65 | 942.75 | claystone | Middle Triassic | 84.80 | 1.05 | 0.0630 | |
| 943.90 | 943.85 | 943.95 | claystone | Middle Triassic | 75.50 | 1.08 | 0.0280 | |
| 944.10 | 944.05 | 944.15 | siltstone | Middle Triassic | 82.40 | 1.23 | ||
| 944.30 | 944.25 | 944.35 | siltstone | Middle Triassic | 83.30 | 0.65 | 0.0230 | |
| 944.70 | 944.65 | 944.75 | siltstone | Middle Triassic | 86.67 | 0.95 | 0.0400 | 0.0012 |
| 945.50 | 945.45 | 945.55 | siltstone | Middle Triassic | 72.20 | 0.90 | ||
| 945.70 | 945.65 | 945.75 | siltstone | Middle Triassic | 85.90 | 1.09 | 0.0330 | |
| 945.85 | 945.80 | 945.90 | siltstone | Middle Triassic | 83.50 | 1.17 | ||
| 1009.90 | 1009.85 | 1009.95 | claystone | Early Triassic, Early Olenekian | 83.50 | 0.94 | 0.0610 | |
| 1010.40 | 1010.35 | 1010.45 | claystone | Early Triassic, Early Olenekian | 0.96 | |||
| 1010.80 | 1010.75 | 1010.85 | claystone | Early Triassic, Early Olenekian | 79.50 | 1.03 | 0.0420 | |
| 1010.95 | 1010.90 | 1011.00 | claystone | Early Triassic, Early Olenekian | 83.33 | 0.94 | 0.0600 | 0.0050 |
| 1011.85 | 1011.80 | 1011.90 | claystone | Early Triassic, Early Olenekian | 83.63 | 0.93 | 0.0800 | 0.0030 |
| 1012.10 | 1012.05 | 1012.15 | clayey siltstone | Early Triassic, Early Olenekian | 84.20 | 0.91 | 0.0500 | 0.0025 |
| 1012.50 | 1012.45 | 1012.55 | clayey siltstone | Early Triassic, Early Olenekian | 83.20 | 0.96 | 0.0340 | |
| 1015.15 | 1015.10 | 1015.20 | clayey siltstone | Early Triassic, Early Olenekian | 83.90 | 0.90 | 0.0700 | 0.0025 |
| 1016.00 | 1015.95 | 1016.05 | clayey siltstone | Early Triassic, Early Olenekian | 82.30 | 0.95 | 0.1000 | 0.0100 |
| 1016.50 | 1016.45 | 1016.55 | clayey siltstone | Early Triassic, Early Olenekian | 0.95 | |||
| 1016.90 | 1016.85 | 1016.95 | clayey siltstone | Early Triassic, Early Olenekian | 1.02 | |||
| 1017.50 | 1017.45 | 1017.55 | clayey siltstone | Early Triassic, Early Olenekian | 22.10 | 0.33 | 0.0790 | |
| 1126.00 | 1125.95 | 1126.05 | clayey siltstone | Early Triassic, Early Olenekian | 81.30 | 1.07 | 0.0360 | |
| 1126.42 | 1126.37 | 1126.47 | clayey siltstone | Early Triassic, Early Olenekian | 78.50 | 0.99 | 0.0600 | 0.0004 |
| 1126.80 | 1126.75 | 1126.85 | clayey siltstone | Early Triassic, Early Olenekian | 77.80 | 1.25 | ||
| 1313.70 | 1313.65 | 1313.75 | claystone | Early Triassic | 81.87 | 0.97 | 0.0021 | |
| 1315.00 | 1314.95 | 1315.05 | claystone | Early Triassic | 81.30 | 1.17 | 0.0110 | |
| 1315.40 | 1315.35 | 1315.45 | claystone | Early Triassic | 80.20 | 1.04 | 0.0021 | |
| 1316.00 | 1315.95 | 1316.05 | claystone | Early Triassic | 85.10 | 1.03 | 0.0070 | |
| 1316.80 | 1316.75 | 1316.85 | claystone | Early Triassic | 80.03 | 1.06 | 0.0009 | |
| 1317.25 | 1317.20 | 1317.30 | clayey siltstone | Early Triassic | 1.07 | |||
| 1319.00 | 1318.95 | 1319.05 | claystone | Early Triassic | 82.20 | 1.07 | 0.0270 | |
| 1319.75 | 1319.70 | 1319.80 | claystone | Early Triassic | 0.30 | |||
| 1351.60 | 1351.55 | 1351.65 | claystone | Early Triassic | 82.50 | 0.31 | 0.0050 | |
| 1351.85 | 1351.80 | 1351.90 | claystone | Early Triassic | 24.33 | 0.30 | 0.0112 | |
| 1352.30 | 1352.25 | 1352.35 | siliceous claystone | Early Triassic | 0.05 | |||
| 1352.80 | 1352.75 | 1352.85 | siliceous claystone | Early Triassic | 83.07 | 0.40 | 0.0021 | |
| 1352.90 | 1352.85 | 1352.95 | claystone | Early Triassic | 81.30 | 0.05 | 0.0100 | |
| 1465.30 | 1465.25 | 1465.35 | clayey siltstone | Early Triassic | 83.58 | 1.00 | 0.0600 | 0.0003 |
| 1467.00 | 1466.95 | 1467.05 | clayey siltstone | Early Triassic | 81.00 | 1.13 | 0.0490 | |
| 1467.20 | 1467.15 | 1467.25 | clayey siltstone | Early Triassic | 84.10 | 1.18 | 0.0250 | |
| 1467.50 | 1467.45 | 1467.55 | clayey siltstone | Early Triassic | 84.20 | 1.07 | 0.0150 | |
| 1467.75 | 1467.70 | 1467.80 | clayey siltstone | Early Triassic | 85.08 | 1.16 | 0.0400 | |
| 1467.80 | 1467.75 | 1467.85 | clayey siltstone | Early Triassic | 81.80 | 1.17 | 0.0310 | |
| 1468.40 | 1468.35 | 1468.45 | clayey siltstone | Early Triassic | 1.17 | |||
| 1469.35 | 1469.30 | 1469.40 | clayey siltstone | Early Triassic | 82.25 | 1.14 | 0.0350 | |
| 1539.35 | 1539.30 | 1539.40 | silty claystone | Early Triassic | 85.47 | 0.82 | 0.0004 | |
| 1539.50 | 1539.45 | 1539.55 | silty claystone | Early Triassic | 0.20 | |||
| 1541.40 | 1541.35 | 1541.45 | silty claystone | Early Triassic | 82.50 | 0.62 | 0.0003 | |
| 1542.20 | 1542.15 | 1542.25 | clayey limestone | Early Triassic | 84.80 | 0.16 | 0.0090 | |
| 1543.00 | 1542.95 | 1543.05 | silty claystone | Early Triassic | 81.38 | 1.00 | 0.0008 | |
| 1543.10 | 1543.05 | 1543.15 | silty claystone | Early Triassic | 86.50 | 1.29 | 0.0170 | |
| 1544.00 | 1543.95 | 1544.05 | silty claystone | Early Triassic | 84.50 | 0.26 | 0.0030 | |
| 1544.30 | 1544.25 | 1544.35 | silty claystone | Early Triassic | 85.60 | 0.53 | 0.0034 | |
| 1546.10 | 1546.05 | 1546.15 | silty claystone | Early Triassic | 86.40 | 0.76 | 0.0190 | |
| 1610.10 | 1610.05 | 1610.15 | silty claystone | Early Triassic | 0.93 | |||
| 1611.00 | 1610.95 | 1611.05 | silty claystone | Early Triassic | 84.75 | 0.30 | 0.0003 | |
| 1611.45 | 1611.40 | 1611.50 | claystone | Early Triassic | 86.30 | 0.93 | 0.0330 | |
| 1611.65 | 1611.60 | 1611.70 | claystone | Early Triassic | 83.68 | 0.91 | 0.0003 | |
| 1613.10 | 1613.05 | 1613.15 | claystone | Early Triassic | 87.20 | 0.84 | 0.0070 | |
| 1613.60 | 1613.55 | 1613.65 | silty claystone | Early Triassic | 85.22 | 1.39 | 0.0005 | |
| 1613.60 | 1613.55 | 1613.65 | claystone | Early Triassic | 85.88 | 0.98 | 0.0002 | |
| 1614.70 | 1614.65 | 1614.75 | claystone | Early Triassic | 83.80 | 0.87 | 0.0060 | |
| 1616.00 | 1615.95 | 1616.05 | silty claystone | Early Triassic | 87.70 | 0.78 | 0.0640 | |
| 1619.00 | 1618.95 | 1619.05 | claystone | Early Triassic | 72.10 | 0.75 | 0.0030 | |
| 1620.45 | 1620.40 | 1620.50 | silty claystone | Early Triassic | 0.92 | |||
| 1620.50 | 1620.45 | 1620.55 | claystone | Early Triassic | 86.33 | 0.92 | 0.0003 | |
| 1621.40 | 1621.35 | 1621.45 | silty claystone | Early Triassic | 87.48 | 0.87 | 0.0009 | |
| 1621.40 | 1621.35 | 1621.45 | claystone | Early Triassic | 88.00 | 0.85 | 0.0050 | |
| 1622.25 | 1622.20 | 1622.30 | claystone | Early Triassic | 85.03 | 0.38 | ||
| 1622.25 | 1622.20 | 1622.30 | silty claystone | Early Triassic | 0.88 | |||
| 1692.50 | 1692.45 | 1692.55 | limestone | Late Carboniferous | 6.76 | 0.05 | 0.0200 | |
| 1693.00 | 1692.95 | 1693.05 | limestone | Late Carboniferous | 0.04 | |||
| 1693.30 | 1693.25 | 1693.35 | limestone | Late Carboniferous | 3.22 | 0.03 | 0.0050 | |
| 1776.40 | 1776.35 | 1776.45 | clayey siltstone | Early Carboniferous | 92.90 | 0.91 | 0.0070 | |
| 2481.00 | 2480.95 | 2481.05 | microquarzite | Neoproterozoic, Ediacaran | 84.20 | 0.44 | 0.0060 | |
| 2555.30 | 2555.25 | 2555.35 | gabbro-dolerite | Neoproterozoic, Ediacaran | 4.70 | 0.05 | 0.0160 | |
| 3012.65 | 3012.60 | 3012.70 | quartz-sericitic microshist | Neoproterozoic, Ediacaran | 86.50 | 0.25 | 0.0020 | |
| 3014.00 | 3013.95 | 3014.05 | quartz-sericitic microshist | Neoproterozoic, Ediacaran | 85.60 | 0.16 | 0.0004 | |
| 3015.80 | 3015.75 | 3015.85 | quartz-sericitic microshist | Neoproterozoic, Ediacaran | 89.00 | 0.31 | 0.0020 | |
| 3044.30 | 3044.25 | 3044.35 | fillite | Neoproterozoic, Ediacaran | 89.10 | 0.22 | 0.0020 | |
| 3044.50 | 3044.45 | 3044.55 | fillite | Neoproterozoic, Ediacaran | 89.57 | 0.08 | 0.0007 | |
| 3045.10 | 3045.05 | 3045.15 | fillite | Neoproterozoic, Ediacaran | 86.43 | 0.06 | ||
| 3045.65 | 3045.60 | 3045.70 | fillite | Neoproterozoic, Ediacaran | 68.30 | 0.10 | 0.0044 | |
| 3092.10 | 3092.05 | 3092.15 | microshist | Neoproterozoic, Ediacaran | 88.40 | 0.14 | 0.0006 | |
| 3092.20 | 3092.15 | 3092.25 | microshist | Neoproterozoic, Ediacaran | 87.70 | 0.24 | 0.0040 | |
| 3117.75 | 3117.70 | 3117.80 | quartz-sericitic shist | Neoproterozoic, Ediacaran | 87.90 | 0.21 | 0.0040 | |
| 3143.70 | 3143.65 | 3143.75 | quartz-sericitic shist | Neoproterozoic, Ediacaran | 90.20 | 0.18 | 0.0050 | |
| 3143.85 | 3143.80 | 3143.90 | quartz-sericitic shist | Neoproterozoic, Ediacaran | 85.20 | 0.20 | 0.0007 | |
| 3144.40 | 3144.35 | 3144.45 | quartz-sericitic shist | Neoproterozoic, Ediacaran | 74.10 | 0.11 | 0.0015 | |
| 3144.60 | 3144.55 | 3144.65 | quartz-sericitic shist | Neoproterozoic, Ediacaran | 88.40 | 0.29 | 0.0030 |